Barbecue cooker



FIG. 1 is a front-left-top perspective view of a barbecue cooker showingmy new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plane view thereof;

FIG. 7 is a bottom plane view thereof; and,

FIG. 8 is a front elevational view of the barbecue cooker supported on aframe which is shown in broken lines for illustrative purposes only,which forms no part of the claimed design.

The ornamental design for a barbecue cooker, as shown and described.